WO2024117499A1 - Cooling system for electric propulsion ship - Google Patents

Cooling system for electric propulsion ship Download PDF

Info

Publication number
WO2024117499A1
WO2024117499A1 PCT/KR2023/014547 KR2023014547W WO2024117499A1 WO 2024117499 A1 WO2024117499 A1 WO 2024117499A1 KR 2023014547 W KR2023014547 W KR 2023014547W WO 2024117499 A1 WO2024117499 A1 WO 2024117499A1
Authority
WO
WIPO (PCT)
Prior art keywords
coolant
cooling
cooling water
path
ship
Prior art date
Application number
PCT/KR2023/014547
Other languages
French (fr)
Korean (ko)
Inventor
원준희
소대섭
Original Assignee
주식회사 일렉트린
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 일렉트린 filed Critical 주식회사 일렉트린
Publication of WO2024117499A1 publication Critical patent/WO2024117499A1/en

Links

Images

Definitions

  • the present invention relates to a cooling system for electric propulsion ships, and more specifically, to a cooling system for electric propulsion ships that can be cooled by using fresh water or sea water as coolant in a ship operating environment.
  • electric propulsion ships include a ship body on which a battery is mounted and an outboard motor with a built-in electric motor and a power converter such as an inverter that is removably installed on the ship body.
  • a power converter such as an inverter that is removably installed on the ship body.
  • US Patent Publication No. 9,446,830B discloses a boat drive with a cooling circuit.
  • This boat drive is disclosed for a structure in which a single coolant line is arranged through the electrical components of the outboard motor and the motor body.
  • a single coolant line like this, there is a problem that the difference is large when comparing the cooling efficiency of the part that exchanges heat with the inflow coolant first and the part that exchanges heat later.
  • the present invention was created in consideration of the above points, and its purpose is to provide a cooling system for electric propulsion ships that can distribute and supply coolant flowing in from the outside to each electrical component in consideration of the heat generation amount of the electrical components.
  • the present invention for achieving the above object includes a ship body in which a battery module is mounted;
  • a ship body in which a battery module is mounted;
  • the cooling system for an electric propulsion ship applied to an electric propulsion ship which is detachably installed on the ship body and includes an outboard motor equipped with an electric motor for rotationally driving a propeller, at least one of the ship main body and the outboard motor a cooling water inflow path provided in a location and having a cooling water inlet; a coolant distribution unit that distributes coolant flowing in through the coolant inflow path at a predetermined ratio; a first cooling path that is provided to exchange heat with the battery module, transports the coolant distributed by the coolant distribution unit, and has a first coolant outlet for discharging the coolant; and a second cooling path that is provided to exchange heat with the electric motor and has a second coolant outlet that transports other coolant distributed by the coolant distribution unit and discharges the coolant.
  • At least one of the coolant inflow path, the first cooling path, and the second cooling path is formed across the ship body and the outboard machine, and is at least so that the outboard machine is detachable when attaching or detaching the outboard machine from the ship body. It can be separated into two parts, is installed in the separated part of the path formed between the shelf body and the outboard motor, and further includes a coupler that connects the separated parts when the outboard motor is mounted on the vessel main body. You can.
  • the present invention may further include a control unit that controls the coolant distribution unit to adjust the flow rate of the coolant distributed to the first path and the second path based on the temperature of the battery module and the electric motor. .
  • the cooling water inlet of the cooling water inflow path is provided on the bow side of the ship body, so that when the electric propulsion ship moves forward, cooling water from the water area in which the electric propulsion ship operates can naturally flow into the cooling water inlet.
  • the present invention may further include a pump installed in the cooling water inflow path to pump coolant from the outside into the cooling inflow path.
  • the cooling system for electric propulsion ships distributes the coolant flowing in through the coolant inflow path at a predetermined ratio through the coolant distribution unit, and supplies the distributed coolant through different paths according to the electrical components, thereby increasing cooling efficiency. .
  • the cooling system for electric propulsion ships according to the present invention further includes a control unit to adjust the flow rate of coolant distributed through different paths based on the temperature of the battery module and the electric motor, thereby further improving cooling efficiency. You can do it.
  • FIG. 1 is a schematic diagram of a cooling system for an electric propulsion ship according to a first embodiment of the present invention.
  • Figure 2 is a schematic diagram of a cooling system for an electric propulsion ship according to a second embodiment of the present invention.
  • Figure 3 is a schematic diagram of a cooling system for an electric propulsion ship according to a third embodiment of the present invention.
  • Figure 1 is a schematic diagram showing a cooling system for an electric propulsion ship according to a first embodiment of the present invention.
  • the cooling system for an electric propulsion ship includes a ship body 10 in which a battery module 30 is mounted, and an electric motor 71 that rotates the propeller 79. ) is applied to electric propulsion ships including an outboard motor (50) equipped with
  • the battery module 30 may include a battery 31 and a battery management system 35 that manages the battery 31.
  • the outboard motor 50 includes a power conversion module 73 that converts the power supplied from the battery module 30 to drive the electric motor 71, and an impeller 77 that rotates the propeller 79. may include.
  • the cooling system for an electric propulsion ship includes a coolant inflow path 110, a coolant distribution part 151, and first and second cooling paths 131 and 135.
  • the coolant inflow path 110 is provided in at least one of the ship body 10 and the outboard motor 50, and has a coolant inlet 111.
  • Figure 1 shows an example in which the coolant inflow path 110 is provided in the outboard motor 50.
  • the coolant distribution unit 151 distributes coolant flowing in through the coolant inflow path 110 at a predetermined ratio. That is, the coolant distribution unit 151 causes the coolant to proceed to the first cooling path 131 and the second cooling path 135 at a certain ratio initially set or a distribution ratio controlled by the control unit 155, which will be described later. .
  • the first cooling path 131 is provided to enable heat exchange with the battery module 30 and transports the coolant distributed by the coolant distribution unit 151.
  • This first cooling path 131 has a first coolant outlet 133 through which coolant after heat exchange with the battery module 30 is discharged.
  • the second cooling path 135 is provided to enable heat exchange with electrical components on the outboard engine such as the electric motor 71, and transports other coolant distributed by the coolant distribution unit 151 and a second coolant outlet (2) that discharges the coolant. 137).
  • At least one of the coolant inflow path 110, the first cooling path 131, and the second cooling path 135 has at least 2 paths so that the outboard motor 50 can be detached from the ship body 10. It can be separated into four parts. This separate portion may be formed across the ship body 10 and the outboard motor 50. This separated part may include a coupler 170 that connects the separated parts to each other when the outboard motor 50 is mounted on the ship main body 10.
  • Figure 1 shows an example in which the coolant inflow path 110 and the coolant distribution unit 151 are installed in the outboard motor 50.
  • the first cooling path 131 extends across the outboard motor 50 and the ship body 10. Formed and separated into at least two parts.
  • the coolant inflow path 110 is installed in the outboard motor 50, the coolant can be allowed to flow into the coolant inflow path 110 through a pumping operation by the impeller 77.
  • the cooling system for an electric propulsion ship may further include a control unit 155 that controls the coolant distribution unit 151.
  • This control unit 155 controls the coolant distribution unit 151 to adjust the flow rate ratio of the coolant distributed to the first cooling path 131 and the second cooling path 135.
  • a sensor unit that senses the temperature of the battery module 30 and the temperature of the electrical equipment (electric motor 71, power conversion module 73) on the outboard motor 50 may be further included.
  • the control unit 155 may determine the flow distribution ratio of the coolant based on the temperatures of the battery module 30 and the electric motor 71 sensed through the sensor unit.
  • Figure 2 is a schematic diagram showing a cooling system for an electric propulsion ship according to a second embodiment of the present invention.
  • the cooling system for an electric propulsion ship includes a coolant inflow path 110, a coolant distribution part 151, and first and second cooling paths 131 and 135. do.
  • the arrangement of the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 are changed. That is, the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 may be provided in the ship body 10.
  • the second cooling path 135 is formed across the outboard motor 50 and the ship body 10, and is divided into at least two parts.
  • the cooling system for an electric propulsion ship may further include a pump 190 that is installed in the cooling water inflow path 110 and pumps coolant from the outside into the cooling inflow path 110.
  • Figure 3 is a schematic diagram showing a cooling system for an electric propulsion ship according to a third embodiment of the present invention.
  • the cooling system for an electric propulsion ship includes a coolant inflow path 110, a coolant distribution unit 151, and first and second cooling paths 131 and 135.
  • the arrangement of the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 are changed. That is, the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 may be provided in the ship body 10.
  • the cooling water inlet 111 of the cooling water inflow path 110 may be provided on the bow side of the ship main body 10.
  • cooling water can be allowed to naturally flow into the cooling water inlet 111 from the water area in which the electric propulsion ship operates.
  • the second cooling path 135 is formed across the outboard motor 50 and the ship body 10, and is divided into at least two parts.
  • the cooling water inlet 111 of the cooling water inflow path is provided at the bow of the ship main body, and when the electric propulsion ship advances, the cooling water naturally flows into the cooling water inlet from the bow of the electric propulsion ship.
  • a cooling water pump for forced pumping of the cooling water ( 190) power consumption can be reduced.
  • the coolant inlet 111 of the coolant inflow path is provided at the stern of the ship main body, and the coolant pump 190 is located between the coupler 170 and the coolant distribution unit 151, and the coolant pump 190 is located between the coupler 170 and the coolant distribution unit 151, and The first cooling path 131 can be cleaned.
  • the coolant inlet 111 of the coolant inflow path is provided in the outboard motor, and the coolant pump 190 is connected to any of the coupler 170, the power conversion module 73, the electric motor 71, and the impeller 77. Located between the two, the second cooling path 135 can be cleaned through the coupler 77.
  • cooling water is supplied in parallel through a route to the battery module 30 and the electrical equipment of the outboard motor 50, so that the coolant flowing in from the outside does not pass through other components to the battery. Cooling efficiency can be improved by exchanging heat with the electrical components of the module 30 and the outboard motor 50.
  • the present invention determines the distribution ratio of the coolant supplied according to the degree of heat generation of the electrical equipment of the battery module 30 and the outboard motor 50, and supplies coolant based on this, thereby further improving cooling efficiency.
  • Coolant inlet 151 Coolant distribution unit
  • first cooling path 133 first coolant outlet
  • Control unit 170 Coupler

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

A cooling system for an electric propulsion ship of the present invention is applied to an electric propulsion ship including: a ship body in which a battery module is mounted; and an outboard engine which is provided to be attachable/detachable to/from the ship body, and which has an electric motor for rotatably driving a propeller, the system comprising: a cooling water inflow path provided at the ship body and/or the outboard engine, and having a cooling water inlet; a cooling water distribution part for distributing, in a predetermined ratio, the cooling water flowing in through the cooling water inflow path; a first cooling path which is disposed so as to be able to exchange heat with a battery module, and which transports a part of the cooling water distributed by means of the cooling water distribution part, and has a first cooling water outlet for discharging the cooling water; and a second cooling path which is provided so as to be able to exchange heat with the electric motor, and which transports a different part of the cooling water distributed by means of the cooling water distribution part, and has a second cooling water outlet for discharging the cooling water.

Description

전기추진선박용 냉각시스템Cooling system for electric propulsion ships
본 발명은 전기추진선박용 냉각시스템에 관한 것으로, 상세하게는 선박 운영 환경에서 담수 또는 해수를 냉각수로 활용하여 냉각시킬 수 있도록 된 전기추진선박용 냉각시스템에 관한 것이다.The present invention relates to a cooling system for electric propulsion ships, and more specifically, to a cooling system for electric propulsion ships that can be cooled by using fresh water or sea water as coolant in a ship operating environment.
일반적으로 전기추진선박은 배터리가 장착되는 선박 본체와 선박 본체에 대해 착탈 가능하게 설치되는 것으로 인버터 등의 전력변환기와 전기 모터를 내장한 선외기를 포함한다. 선박 운영시 배터리, 전기 모터 및 인버터 등의 전장부품이 과열되는 바, 이를 냉각하기 위한 냉각시스템이 요구된다.In general, electric propulsion ships include a ship body on which a battery is mounted and an outboard motor with a built-in electric motor and a power converter such as an inverter that is removably installed on the ship body. When operating a ship, electrical components such as batteries, electric motors, and inverters overheat, and a cooling system is required to cool them.
미국등록특허공보 9,446,830B 에는 냉각회로가 있는 보트 드라이브에 대해 개시되어 있다. 이 보트 드라이브는 단일의 냉각수 라인을 선외기와 모터 본체의 전장부품을 경유하여 배치시킨 구조에 대해 개시되어 있다. 이와 같이 단일 냉각수 라인으로 구성하는 경우 유입된 냉각수와 먼저 열교환되는 부분과 나중에 열교환되는 부분의 냉각 효율을 비교하여 볼 때 그 차이가 크다는 문제점이 있다. US Patent Publication No. 9,446,830B discloses a boat drive with a cooling circuit. This boat drive is disclosed for a structure in which a single coolant line is arranged through the electrical components of the outboard motor and the motor body. When configured with a single coolant line like this, there is a problem that the difference is large when comparing the cooling efficiency of the part that exchanges heat with the inflow coolant first and the part that exchanges heat later.
또한 전장부품별 발열량이 상이하므로, 전장부품의 특성에 맞게 냉각수를 적절히 분배하여 공급할 수 있도록 된 냉각시스템이 요구된다.In addition, since the amount of heat generated by each electrical component is different, a cooling system that can properly distribute and supply coolant according to the characteristics of the electrical component is required.
본 발명은 상기한 점을 감안하여 창안된 것으로서, 전장부품의 발열량을 고려하여 외부로부터 유입되는 냉각수를 전장부품별로 분배하여 공급할 수 있도록 된 전기추진선박용 냉각시스템을 제공하는데 목적이 있다.The present invention was created in consideration of the above points, and its purpose is to provide a cooling system for electric propulsion ships that can distribute and supply coolant flowing in from the outside to each electrical component in consideration of the heat generation amount of the electrical components.
상기한 목적을 달성하기 위한 본 발명은 내부에 배터리 모듈이 장착되는 선박 본체와; 상기 선박 본체에 대해 탈부착 가능하게 설치되는 것으로, 프로펠러를 회전 구동하는 전기모터를 구비한 선외기를 포함하는 전기추진선박에 적용되는 전기추진선박용 냉각시스템에 있어서, 상기 선박 본체 및 상기 선외기 중 적어도 어느 한 곳에 마련되며, 냉각수 유입구를 가지는 냉각수 유입경로와; 상기 냉각수 유입경로를 통하여 유입된 냉각수를 소정 비율로 분배하는 냉각수 분배부와; 상기 배터리 모듈과 열교환 가능하게 마련되는 것으로, 상기 냉각수 분배부에 의해 분배된 일 냉각수를 수송하며 냉각수를 배출하는 제1냉각수 배출구를 가지는 제1냉각경로; 및 상기 전기모터와 열교환 가능하게 마련되는 것으로, 상기 냉각수 분배부에 의해 분배된 다른 냉각수를 수송하며 냉각수를 배출하는 제2냉각수 배출구를 가지는 제2냉각경로를 포함할 수 있다.The present invention for achieving the above object includes a ship body in which a battery module is mounted; In the cooling system for an electric propulsion ship applied to an electric propulsion ship, which is detachably installed on the ship body and includes an outboard motor equipped with an electric motor for rotationally driving a propeller, at least one of the ship main body and the outboard motor a cooling water inflow path provided in a location and having a cooling water inlet; a coolant distribution unit that distributes coolant flowing in through the coolant inflow path at a predetermined ratio; a first cooling path that is provided to exchange heat with the battery module, transports the coolant distributed by the coolant distribution unit, and has a first coolant outlet for discharging the coolant; and a second cooling path that is provided to exchange heat with the electric motor and has a second coolant outlet that transports other coolant distributed by the coolant distribution unit and discharges the coolant.
여기서, 상기 냉각수 유입경로, 상기 제1냉각경로 및 상기 제2냉각경로 중 적어도 어느 한 경로는, 상기 선박 본체와 상기 선외기에 걸쳐 형성되되, 상기 선박 본체에 대해 상기 선외기를 탈착 시 분리 가능하도록 적어도 2개의 부분으로 분리될 수 있도록 되고, 상기 선반본체와 상기 선외기에 걸쳐 형성된 경로의 분리되는 부분에 설치되며, 상기 선박 본체에 대해 상기 선외기를 장착시 분리되는 부분을 상호 연결하는 커플러를 더 포함할 수 있다.Here, at least one of the coolant inflow path, the first cooling path, and the second cooling path is formed across the ship body and the outboard machine, and is at least so that the outboard machine is detachable when attaching or detaching the outboard machine from the ship body. It can be separated into two parts, is installed in the separated part of the path formed between the shelf body and the outboard motor, and further includes a coupler that connects the separated parts when the outboard motor is mounted on the vessel main body. You can.
또한 본 발명은 상기 배터리 모듈과 상기 전기모터의 온도를 기초로, 상기 제1경로와 상기 제2경로로 분배되는 냉각수의 유량의 비율을 조절하도록 상기 냉각수 분배부를 제어하는 제어부를 더 포함할 수 있다.In addition, the present invention may further include a control unit that controls the coolant distribution unit to adjust the flow rate of the coolant distributed to the first path and the second path based on the temperature of the battery module and the electric motor. .
또한 본 발명은 상기 냉각수 유입경로의 냉각수 유입구는 상기 선박 본체의 선수측에 마련되어, 상기 전기추진선박의 전진 시 상기 전기추진선박이 운행되는 수역으로부터 냉각수가 자연적으로 상기 냉각수 유입구로 유입될 수 있다.In addition, in the present invention, the cooling water inlet of the cooling water inflow path is provided on the bow side of the ship body, so that when the electric propulsion ship moves forward, cooling water from the water area in which the electric propulsion ship operates can naturally flow into the cooling water inlet.
또한 본 발명은 상기 냉각수 유입경로에 설치되어, 외부로부터 냉각수를 상기 냉각 유입경로로 펌핑하는 펌프를 더 포함할 수 있다.Additionally, the present invention may further include a pump installed in the cooling water inflow path to pump coolant from the outside into the cooling inflow path.
본 발명에 따른 전기추진선박용 냉각시스템은 냉각수 유입경로를 통하여 유입된 냉각수를 냉각수 분배부를 통하여 소정 비율로 분배하고, 이 분배된 냉각수를 전장부품에 맞게 서로 다른 경로로 공급함으로써 냉각 효율을 높일 수 있다.The cooling system for electric propulsion ships according to the present invention distributes the coolant flowing in through the coolant inflow path at a predetermined ratio through the coolant distribution unit, and supplies the distributed coolant through different paths according to the electrical components, thereby increasing cooling efficiency. .
또한, 본 발명에 따른 전기추진선박용 냉각시스템은 제어부를 더 포함하여, 배터리 모듈과 전기모터의 온도를 기초로, 서로 다른 경로로 분배되는 냉각수의 유량의 비율을 조절하도록 함으로써, 냉각 효율을 보다 향상시킬 수 있다.In addition, the cooling system for electric propulsion ships according to the present invention further includes a control unit to adjust the flow rate of coolant distributed through different paths based on the temperature of the battery module and the electric motor, thereby further improving cooling efficiency. You can do it.
도 1은 본 발명의 제1실시예에 따른 전기추진선박용 냉각시스템 개략도1 is a schematic diagram of a cooling system for an electric propulsion ship according to a first embodiment of the present invention.
도 2는 본 발명의 제2실시예에 따른 전기추진선박용 냉각시스템 개략도Figure 2 is a schematic diagram of a cooling system for an electric propulsion ship according to a second embodiment of the present invention.
도 3은 본 발명의 제3실시예에 따른 전기추진선박용 냉각시스템 개략도Figure 3 is a schematic diagram of a cooling system for an electric propulsion ship according to a third embodiment of the present invention.
이하 첨부된 도면들을 참조하여, 본 발명의 실시예에 따른 전기추진선박용 냉각시스템을 상세히 설명하기로 한다. Hereinafter, with reference to the attached drawings, a cooling system for an electric propulsion ship according to an embodiment of the present invention will be described in detail.
도 1은 본 발명의 제1실시예에 따른 전기추진선박용 냉각시스템을 보인 개략적인 도면이다.Figure 1 is a schematic diagram showing a cooling system for an electric propulsion ship according to a first embodiment of the present invention.
도 1을 참조하면, 본 발명의 제1실시예에 따른 전기추진선박용 냉각시스템은 내부에 배터리 모듈(30)이 장착되는 선박 본체(10)와, 프로펠러(79)를 회전 구동하는 전기모터(71)를 구비한 선외기(50)를 포함하는 전기추진선박에 적용된다. 여기서, 배터리 모듈(30)은 배터리(31)와 이 배터리(31)를 관리하는 배터리 관리시스템(35)을 포함할 수 있다. 선외기(50)에는 전기모터(71) 이외에 배터리 모듈(30)에서 공급된 전원을 전기모터(71) 구동에 맞게 변환하는 전력변환모듈(73) 및 프로펠러(79)를 회전 구동시키는 임펠러(77)를 포함할 수 있다.Referring to FIG. 1, the cooling system for an electric propulsion ship according to the first embodiment of the present invention includes a ship body 10 in which a battery module 30 is mounted, and an electric motor 71 that rotates the propeller 79. ) is applied to electric propulsion ships including an outboard motor (50) equipped with Here, the battery module 30 may include a battery 31 and a battery management system 35 that manages the battery 31. In addition to the electric motor 71, the outboard motor 50 includes a power conversion module 73 that converts the power supplied from the battery module 30 to drive the electric motor 71, and an impeller 77 that rotates the propeller 79. may include.
본 발명의 제1실시예에 따른 전기추진선박용 냉각시스템은 냉각수 유입경로(110), 냉각수 분배부(151), 제1 및 제2냉각경로(131)(135)를 포함한다. 냉각수 유입경로(110)는 선박 본체(10) 및 선외기(50) 중 적어도 어느 한 곳에 마련되며, 냉각수 유입구(111)를 가진다. 도 1은 냉각수 유입경로(110)가 선외기(50)에 마련된 것을 예로 들어 나타낸 것이다. 냉각수 분배부(151)는 냉각수 유입경로(110)를 통하여 유입된 냉각수를 소정 비율로 분배한다. 즉, 냉각수 분배부(151)는 초기에 설정되는 일정 비율 내지 후술하는 제어부(155)에 의해 조절되는 분배 비율로 냉각수가 제1냉각경로(131)와 제2냉각경로(135)로 진행되도록 한다.The cooling system for an electric propulsion ship according to the first embodiment of the present invention includes a coolant inflow path 110, a coolant distribution part 151, and first and second cooling paths 131 and 135. The coolant inflow path 110 is provided in at least one of the ship body 10 and the outboard motor 50, and has a coolant inlet 111. Figure 1 shows an example in which the coolant inflow path 110 is provided in the outboard motor 50. The coolant distribution unit 151 distributes coolant flowing in through the coolant inflow path 110 at a predetermined ratio. That is, the coolant distribution unit 151 causes the coolant to proceed to the first cooling path 131 and the second cooling path 135 at a certain ratio initially set or a distribution ratio controlled by the control unit 155, which will be described later. .
여기서, 제1냉각경로(131)는 배터리 모듈(30)과 열교환 가능하게 마련되는 것으로, 냉각수 분배부(151)에 의해 분배된 일 냉각수를 수송한다. 이 제1냉각경로(131)는 배터리 모듈(30)과 열교환 후의 냉각수를 배출하는 제1냉각수 배출구(133)를 가진다. 제2냉각경로(135)는 전기모터(71) 등 선외기측 전장부품과 열교환 가능하게 마련되는 것으로, 냉각수 분배부(151)에 의해 분배된 다른 냉각수를 수송하며 냉각수를 배출하는 제2냉각수 배출구(137)를 가진다.Here, the first cooling path 131 is provided to enable heat exchange with the battery module 30 and transports the coolant distributed by the coolant distribution unit 151. This first cooling path 131 has a first coolant outlet 133 through which coolant after heat exchange with the battery module 30 is discharged. The second cooling path 135 is provided to enable heat exchange with electrical components on the outboard engine such as the electric motor 71, and transports other coolant distributed by the coolant distribution unit 151 and a second coolant outlet (2) that discharges the coolant. 137).
여기서, 선박 본체(10)에 대해 선외기(50)를 탈착 시 분리 가능하도록, 냉각수 유입경로(110), 제1냉각경로(131) 및 제2냉각경로(135) 중 적어도 어느 한 경로는 적어도 2개의 부분으로 분리될 수 있다. 이 분리되는 부분은 선박 본체(10)와 선외기(50)에 걸쳐 형성될 수 있다. 이 분리되는 부분에는 선박 본체(10)에 대해 선외기(50)를 장착시 분리되는 부분을 상호 연결하는 커플러(170)를 포함할 수 있다.Here, at least one of the coolant inflow path 110, the first cooling path 131, and the second cooling path 135 has at least 2 paths so that the outboard motor 50 can be detached from the ship body 10. It can be separated into four parts. This separate portion may be formed across the ship body 10 and the outboard motor 50. This separated part may include a coupler 170 that connects the separated parts to each other when the outboard motor 50 is mounted on the ship main body 10.
도 1은 냉각수 유입경로(110)와 냉각수 분배부(151)가 선외기(50)에 설치된 예를 나타낸 것으로, 이 경우 제1냉각경로(131)가 선외기(50) 및 선박 본체(10)에 걸쳐 형성되며, 적어도 2개의 부분으로 분리된다. 냉각수 유입경로(110)가 선외기(50)에 설치되는 경우, 임펠러(77)에 의한 펌핑 동작으로 냉각수가 냉각수 유입경로(110)로 유입되도록 할 수 있다.Figure 1 shows an example in which the coolant inflow path 110 and the coolant distribution unit 151 are installed in the outboard motor 50. In this case, the first cooling path 131 extends across the outboard motor 50 and the ship body 10. Formed and separated into at least two parts. When the coolant inflow path 110 is installed in the outboard motor 50, the coolant can be allowed to flow into the coolant inflow path 110 through a pumping operation by the impeller 77.
또한 본 발명의 제1실시예에 따른 전기추진선박용 냉각시스템은 냉각수 분배부(151)를 제어하는 제어부(155)를 더 포함할 수 있다. 이 제어부(155)는 제1냉각경로(131)와 제2냉각경로(135)로 분배되는 냉각수의 유량 비율을 조절하도록 냉각수 분배부(151)를 제어한다. 여기서 배터리 모듈(30)의 온도와 선외기(50)측 전장용품(전기모터(71), 전력변환모듈(73))의 온도를 각각 센싱하는 센서유닛을 더 포함할 수 있다. 상기 제어부(155)는 센서유닛을 통하여 센싱되는 배터리 모듈(30) 및 전기모터(71)의 온도를 기초로 냉각수의 유량 분배 비율을 결정할 수 있다.Additionally, the cooling system for an electric propulsion ship according to the first embodiment of the present invention may further include a control unit 155 that controls the coolant distribution unit 151. This control unit 155 controls the coolant distribution unit 151 to adjust the flow rate ratio of the coolant distributed to the first cooling path 131 and the second cooling path 135. Here, a sensor unit that senses the temperature of the battery module 30 and the temperature of the electrical equipment (electric motor 71, power conversion module 73) on the outboard motor 50 may be further included. The control unit 155 may determine the flow distribution ratio of the coolant based on the temperatures of the battery module 30 and the electric motor 71 sensed through the sensor unit.
도 2는 본 발명의 제2실시예에 따른 전기추진선박용 냉각시스템을 보인 개략적인 도면이다.Figure 2 is a schematic diagram showing a cooling system for an electric propulsion ship according to a second embodiment of the present invention.
도 2을 참조하면, 본 발명의 제2실시예에 따른 전기추진선박용 냉각시스템은 냉각수 유입경로(110), 냉각수 분배부(151), 제1 및 제2냉각경로(131)(135)를 포함한다. 제1실시예에 따른 전기추진선박용 냉각시스템과 비교하여 볼 때, 냉각수 유입경로(110), 냉각수 분배부(151) 및 제어부(155)의 배치를 변경한 점에서 구별된다. 즉 냉각수 유입경로(110), 냉각수 분배부(151) 및 제어부(155)는 선박 본체(10)에 마련될 수 있다. 이 경우 제2냉각경로(135)가 선외기(50) 및 선박 본체(10)에 걸쳐 형성되며, 적어도 2개의 부분으로 분리된다.Referring to Figure 2, the cooling system for an electric propulsion ship according to the second embodiment of the present invention includes a coolant inflow path 110, a coolant distribution part 151, and first and second cooling paths 131 and 135. do. Compared to the cooling system for an electric propulsion ship according to the first embodiment, it is distinguished in that the arrangement of the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 are changed. That is, the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 may be provided in the ship body 10. In this case, the second cooling path 135 is formed across the outboard motor 50 and the ship body 10, and is divided into at least two parts.
또한 본 발명의 제2실시예에 따른 전기추진선박용 냉각시스템은 냉각수 유입경로(110)에 설치되어, 외부로부터 냉각수를 냉각 유입경로(110)로 펌핑하는 펌프(190)를 더 포함할 수 있다.In addition, the cooling system for an electric propulsion ship according to the second embodiment of the present invention may further include a pump 190 that is installed in the cooling water inflow path 110 and pumps coolant from the outside into the cooling inflow path 110.
도 3은 본 발명의 제3시예에 따른 전기추진선박용 냉각시스템을 보인 개략적인 도면이다.Figure 3 is a schematic diagram showing a cooling system for an electric propulsion ship according to a third embodiment of the present invention.
도 3 참조하면, 본 발명의 제3시예에 따른 전기추진선박용 냉각시스템은 냉각수 유입경로(110), 냉각수 분배부(151), 제1 및 제2냉각경로(131)(135)를 포함한다. 제1실시예에 따른 전기추진선박용 냉각시스템과 비교하여 볼 때, 냉각수 유입경로(110), 냉각수 분배부(151) 및 제어부(155)의 배치를 변경한 점에서 구별된다. 즉 냉각수 유입경로(110), 냉각수 분배부(151) 및 제어부(155)는 선박 본체(10)에 마련될 수 있다. 특히 냉각수 유입경로(110)의 냉각수 유입구(111)는 선박 본체(10)의 선수측에 마련될 수 있다. 이 경우 전기추진선박이 운항 시, 전기추진선박이 운행되는 수역으로부터 냉각수가 자연적으로 냉각수 유입구(111)로 유입되도록 할 수 있다. 또한 제2냉각경로(135)는 선외기(50) 및 선박 본체(10)에 걸쳐 형성되며, 적어도 2개의 부분으로 분리된다.Referring to FIG. 3, the cooling system for an electric propulsion ship according to the third embodiment of the present invention includes a coolant inflow path 110, a coolant distribution unit 151, and first and second cooling paths 131 and 135. Compared to the cooling system for an electric propulsion ship according to the first embodiment, it is distinguished in that the arrangement of the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 are changed. That is, the coolant inflow path 110, the coolant distribution unit 151, and the control unit 155 may be provided in the ship body 10. In particular, the cooling water inlet 111 of the cooling water inflow path 110 may be provided on the bow side of the ship main body 10. In this case, when the electric propulsion ship is operated, cooling water can be allowed to naturally flow into the cooling water inlet 111 from the water area in which the electric propulsion ship operates. Additionally, the second cooling path 135 is formed across the outboard motor 50 and the ship body 10, and is divided into at least two parts.
냉각수 유입경로의 냉각수 유입구(111)는 상기 선박 본체의 선수에 마련되어, 상기 전기추진선박의 전진 시 상기 전기추진선박의 선수로부터 냉각수가 상기 냉각수 유입구로 자연 유입되는 만큼 냉각수 강제 펌핑을 위한 냉각수 펌프(190)의 소모 전력이 감소될 수 있다.The cooling water inlet 111 of the cooling water inflow path is provided at the bow of the ship main body, and when the electric propulsion ship advances, the cooling water naturally flows into the cooling water inlet from the bow of the electric propulsion ship. A cooling water pump for forced pumping of the cooling water ( 190) power consumption can be reduced.
냉각수 유입경로의 냉각수 유입구(111)는 상기 선박 본체의 선미에 마련되고, 냉각수 펌프(190)는 상기 커플러(170)와 상기 냉각수 분배부(151) 사이에 위치해, 상기 커플러(170)를 통해 상기 제1냉각경로(131)의 세척이 가능하다.The coolant inlet 111 of the coolant inflow path is provided at the stern of the ship main body, and the coolant pump 190 is located between the coupler 170 and the coolant distribution unit 151, and the coolant pump 190 is located between the coupler 170 and the coolant distribution unit 151, and The first cooling path 131 can be cleaned.
냉각수 유입경로의 냉각수 유입구(111)는 상기 선외기에 마련되고, 냉각수 펌프(190)는 상기 커플러(170)와 상기 전력변환 모듈(73), 상기 전기모터(71) 및 상기 임펠러(77) 중 어느 한 개와의 사이에 위치해, 상기 커플러(77)를 통해 상기 제2냉각경로(135)의 세척이 가능하다.The coolant inlet 111 of the coolant inflow path is provided in the outboard motor, and the coolant pump 190 is connected to any of the coupler 170, the power conversion module 73, the electric motor 71, and the impeller 77. Located between the two, the second cooling path 135 can be cleaned through the coupler 77.
상기한 바와 같이 전기추진선박용 냉각시스템을 구비함으로써, 배터리 모듈(30)과 선외기(50)의 전장용품으로 경로를 나누어 병렬적으로 냉각수를 공급함으로써, 외부에서 유입된 냉각수가 다른 구성요소 경유없이 배터리 모듈(30)과 선외기(50)의 전장용품과 열교환함으로써 냉각 효율을 향상시킬 수 있다. 또한 본 발명은 배터리 모듈(30)과 선외기(50)의 전장용품의 발열 정도에 따라 공급되는 냉각수의 분배 비율을 결정하고, 이를 기초로 냉각수를 공급함으로써 냉각 효율을 더욱 향상시킬 수 있다.As described above, by providing a cooling system for an electric propulsion ship, cooling water is supplied in parallel through a route to the battery module 30 and the electrical equipment of the outboard motor 50, so that the coolant flowing in from the outside does not pass through other components to the battery. Cooling efficiency can be improved by exchanging heat with the electrical components of the module 30 and the outboard motor 50. In addition, the present invention determines the distribution ratio of the coolant supplied according to the degree of heat generation of the electrical equipment of the battery module 30 and the outboard motor 50, and supplies coolant based on this, thereby further improving cooling efficiency.
상기한 실시예들은 예시적인 것에 불과한 것으로, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 사람이라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다. 따라서 본 발명의 진정한 기술적 보호범위는 청구범위에 기재된 발명의 기술적 사상에 의해 정해져야만 할 것이다.The above-described embodiments are merely illustrative, and various modifications and equivalent embodiments can be made by those skilled in the art. Therefore, the true technical protection scope of the present invention must be determined by the technical spirit of the invention described in the claims.
10: 선박 본체 30: 배터리 모듈10: Ship body 30: Battery module
31: 배터리 35: 배터리 관리시스템31: Battery 35: Battery management system
50: 선외기 71: 전기모터50: Outboard motor 71: Electric motor
73: 전력변환모듈 77: 임펠러73: Power conversion module 77: Impeller
79: 프로펠러 110: 냉각수 유입경로79: Propeller 110: Coolant inflow path
111: 냉각수 유입구 151: 냉각수 분배부111: Coolant inlet 151: Coolant distribution unit
131: 제1냉각경로 133: 제1냉각수 배출구131: first cooling path 133: first coolant outlet
135: 제2냉각경로 137: 제2냉각수 배출구135: second cooling path 137: second coolant outlet
155: 제어부 170: 커플러155: Control unit 170: Coupler
190: 펌프190: pump

Claims (6)

  1. 내부에 배터리 모듈이 장착되는 선박 본체와; 상기 선박 본체에 대해 탈부착 가능하게 설치되는 것으로, 프로펠러를 회전 구동하는 전기모터를 구비한 선외기를 포함하는 전기추진선박에 적용되는 전기추진선박용 냉각시스템에 있어서, A ship body with a battery module installed therein; In the cooling system for electric propulsion ships, which is detachably installed on the ship body and applied to electric propulsion ships including an outboard motor equipped with an electric motor that rotates and drives a propeller,
    상기 선박 본체 및 상기 선외기 중 적어도 어느 한 곳에 마련되며, 냉각수 유입구를 가지는 냉각수 유입경로와;a coolant inflow path provided in at least one of the ship body and the outboard motor and having a coolant inlet;
    상기 냉각수 유입경로를 통하여 유입된 냉각수를 소정 비율로 분배하는 냉각수 분배부와;a coolant distribution unit that distributes coolant flowing in through the coolant inflow path at a predetermined ratio;
    상기 배터리 모듈과 열교환 가능하게 마련되는 것으로, 상기 냉각수 분배부에 의해 분배된 일 냉각수를 수송하며 냉각수를 배출하는 제1냉각수 배출구를 가지는 제1냉각경로; 및a first cooling path that is provided to exchange heat with the battery module, transports the coolant distributed by the coolant distribution unit, and has a first coolant outlet for discharging the coolant; and
    상기 전기모터와 열교환 가능하게 마련되는 것으로, 상기 냉각수 분배부에 의해 분배된 다른 냉각수를 수송하며 냉각수를 배출하는 제2냉각수 배출구를 가지는 제2냉각경로를 포함하며,It is provided to exchange heat with the electric motor, and includes a second cooling path that transports other coolant distributed by the coolant distribution unit and has a second coolant outlet for discharging the coolant,
    상기 냉각수 유입경로, 상기 제1냉각경로 및 상기 제2냉각경로 중 적어도 어느 한 경로는,At least one of the coolant inflow path, the first cooling path, and the second cooling path,
    상기 선박 본체와 상기 선외기에 걸쳐 형성되되, 상기 선박 본체에 대해 상기 선외기를 탈착 시 분리 가능하도록 적어도 2개의 부분으로 분리될 수 있는 것을 특징으로 하는 전기추진선박용 냉각시스템.A cooling system for an electric propulsion ship, characterized in that it is formed over the ship main body and the outboard motor, and can be separated into at least two parts so that the outboard motor can be detached from the ship main body.
  2. 제1항에 있어서,According to paragraph 1,
    상기 선반 본체와 상기 선외기에 걸쳐 형성된 경로의 분리되는 부분에 설치되며, 상기 선박 본체에 대해 상기 선외기를 장착시 분리되는 부분을 상호 연결하는 커플러를 더 포함하는 것을 특징으로 하는 전기추진선박용 냉각시스템.A cooling system for an electric propulsion ship, characterized in that it is installed in a separated portion of the path formed between the shelf body and the outboard motor, and further includes a coupler that connects the separated portions when the outboard motor is mounted on the vessel main body.
  3. 제1항에 있어서,According to paragraph 1,
    상기 배터리 모듈과 상기 전기모터의 온도를 기초로, 상기 제1냉각경로와 상기 제2냉각경로로 분배되는 냉각수의 유량의 비율을 조절하도록 상기 냉각수 분배부를 제어하는 제어부를 더 포함하는 것을 특징으로 하는 전기추진선박용 냉각시스템.Based on the temperatures of the battery module and the electric motor, it further comprises a control unit that controls the coolant distribution unit to adjust the flow rate of the coolant distributed to the first cooling path and the second cooling path. Cooling system for electric propulsion ships.
  4. 제1항에 있어서,According to paragraph 1,
    상기 냉각수 유입경로의 냉각수 유입구는 상기 선박 본체의 선수에 마련되어, 상기 전기추진선박의 전진 시 상기 전기추진선박의 선수로부터 냉각수가 상기 냉각수 유입구로 자연 유입되는 만큼 냉각수 강제 펌핑을 위한 냉각수 펌프의 소모 전력이 감소되는 것을 특징으로 하는 전기추진선박용 냉각시스템.The cooling water inlet of the cooling water inflow path is provided at the bow of the ship main body, and when the electric propulsion ship advances, the cooling water naturally flows into the cooling water inlet from the bow of the electric propulsion ship. Power consumption of the coolant pump for forced pumping of coolant A cooling system for electric propulsion ships, characterized in that this is reduced.
  5. 제1항에 있어서,According to paragraph 1,
    상기 냉각수 유입경로의 냉각수 유입구는 상기 선박 본체의 선미에 마련되고, 냉각수 펌프는 상기 커플러와 상기 냉각수 분배부 사이에 위치해, 상기 커플러를 통해 상기 제1냉각경로의 세척이 가능한 것을 특징으로 하는 전기추진선박용 냉각시스템.The cooling water inlet of the cooling water inflow path is provided at the stern of the ship body, and the cooling water pump is located between the coupler and the cooling water distribution part, so that cleaning of the first cooling path is possible through the coupler. Marine cooling system.
  6. 제1항에 있어서,According to paragraph 1,
    상기 냉각수 유입경로의 냉각수 유입구는 상기 선외기에 마련되고, 냉각수 펌프는 상기 커플러와 상기 전력변환 모듈, 상기 전기모터 및 상기 임펠러 중 어느 한 개와의 사이에 위치해, 상기 커플러를 통해 상기 제2냉각경로의 세척이 가능한 것을 특징으로 하는 전기추진선박용 냉각시스템.The coolant inlet of the coolant inflow path is provided in the outboard motor, and the coolant pump is located between the coupler and any one of the power conversion module, the electric motor, and the impeller, and provides the second cooling path through the coupler. A cooling system for electric propulsion ships that is washable.
PCT/KR2023/014547 2022-11-30 2023-09-22 Cooling system for electric propulsion ship WO2024117499A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220164977A KR102542738B1 (en) 2022-11-30 2022-11-30 Cooling system for electric propulsion boat
KR10-2022-0164977 2022-11-30

Publications (1)

Publication Number Publication Date
WO2024117499A1 true WO2024117499A1 (en) 2024-06-06

Family

ID=86744559

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/014547 WO2024117499A1 (en) 2022-11-30 2023-09-22 Cooling system for electric propulsion ship

Country Status (2)

Country Link
KR (1) KR102542738B1 (en)
WO (1) WO2024117499A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102542738B1 (en) * 2022-11-30 2023-06-14 주식회사 일렉트린 Cooling system for electric propulsion boat

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995031012A1 (en) * 1994-05-05 1995-11-16 Ovonic Battery Company, Inc. Cell pack for nickel-metal hydride batteries
KR20070073783A (en) * 2004-10-12 2007-07-10 로티노 게엠베하 Electric motor-driven water craft, which is cooled by the surrounding water
KR20130100591A (en) * 2012-03-02 2013-09-11 국방과학연구소 Fuel cell system, cooling method thereof, and vehicle having the fuel cell system
KR102388266B1 (en) * 2021-08-03 2022-04-19 울산과학기술원 Battery rack that can be holding battery pack and battery rack module
KR102542738B1 (en) * 2022-11-30 2023-06-14 주식회사 일렉트린 Cooling system for electric propulsion boat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995031012A1 (en) * 1994-05-05 1995-11-16 Ovonic Battery Company, Inc. Cell pack for nickel-metal hydride batteries
KR20070073783A (en) * 2004-10-12 2007-07-10 로티노 게엠베하 Electric motor-driven water craft, which is cooled by the surrounding water
KR20130100591A (en) * 2012-03-02 2013-09-11 국방과학연구소 Fuel cell system, cooling method thereof, and vehicle having the fuel cell system
KR102388266B1 (en) * 2021-08-03 2022-04-19 울산과학기술원 Battery rack that can be holding battery pack and battery rack module
KR102542738B1 (en) * 2022-11-30 2023-06-14 주식회사 일렉트린 Cooling system for electric propulsion boat

Also Published As

Publication number Publication date
KR102542738B1 (en) 2023-06-14

Similar Documents

Publication Publication Date Title
WO2024117499A1 (en) Cooling system for electric propulsion ship
EP1010614B1 (en) Propulsion and steering module for naval craft
KR101596108B1 (en) Ship
CN104852104B (en) Marine drive with cooling circuit
WO2019088554A1 (en) Life jacket having underwater propulsion device
US5421756A (en) Exhaust system for the marine propulsion machine
US6240867B1 (en) Distributed machinery structure for ships
CN111559487B (en) Cooling system for an electric propulsion system of a ship
JP2022034677A (en) Ship propulsion machine
CN114030580A (en) Inter-board cooling system of multi-shell underwater unmanned aircraft
WO2023085948A1 (en) A clamp bracket for supporting an electric outboard motor, and an electric outboard motor comprising such a clamp bracket
EP1022215A2 (en) Integrated external electric drive propulsion module arrangement for surface ships
WO2019160224A1 (en) Seawater circulation system for ship
WO2023287142A1 (en) Battery cooling apparatus for ships
CN112373666A (en) Connection structure of propeller and ship
WO2024058373A1 (en) Coolant system
CN113071601B (en) Cabin arrangement method of small multipurpose hydrogen power ship
CN220974521U (en) Propeller and movable equipment in water area
WO2022102442A1 (en) Ship
CN218751345U (en) Boats and ships motor dual cycle cooling system
CN215707071U (en) High energy density lithium electricity green pleasure boat
JP2598408Y2 (en) Marine equipment cooling system
GB2223060A (en) I.c. engine cooling systems
WO2022059988A1 (en) Water supply module and electric device cooling system comprising same
CN115892433B (en) Environment-friendly energy-saving ship heat preservation system and control method